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added a bunch of more sym names, and integers and characters

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svn: r13296
This commit is contained in:
Eli Barzilay 2009-01-27 23:22:54 +00:00
parent 5baa4390d3
commit 394d3404aa
2 changed files with 71 additions and 26 deletions
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31
collects/plot/plot.scrbl
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@ -313,13 +313,23 @@ A 3-D @scheme[data] value is represented as a procedure that takes a
@defproc[(points [vecs (listof (vector/c real? real?))]
[#:sym sym (one-of/c 'square 'circle 'odot 'bullet) 'square]
[#:sym sym (or/c character? integer? symbol?) 'fullsquare]
[#:color color plot-color? 'black])
((is-a?/c 2d-view%) . -> . void?)]{
Creates 2-D plot data (to be provided to @scheme[plot]) given a list
of points specifying locations. The @scheme[sym] argument determines
the appearance of the points.}
the appearance of the points. It can be a symbol, an ASCII character,
or a small integer (between -1 and 127). The following symbols are
known: @scheme['pixel], @scheme['dot], @scheme['plus],
@scheme['asterisk], @scheme['circle], @scheme['times],
@scheme['square], @scheme['triangle], @scheme['oplus], @scheme['odot],
@scheme['diamond], @scheme['5star], @scheme['6star],
@scheme['fullsquare], @scheme['bullet], @scheme['full5star],
@scheme['circle1], @scheme['circle2], @scheme['circle3],
@scheme['circle4], @scheme['circle5], @scheme['circle6],
@scheme['circle7], @scheme['circle8], @scheme['leftarrow],
@scheme['rightarrow], @scheme['uparrow], @scheme['downarrow]. }
@ -588,34 +598,35 @@ Sets the axis labels and title.}
@defmethod[(plot-vector [head (vector/c real? real?)]
[tail (vector/c real? real?)])
void?]{
Plots a single vector.}
@defmethod[(plot-vectors [vecs (listof (list/c (vector/c real? real?)
(vector/c real? real?)))])
void?]{
Plots a set of vectors.}
@defmethod[(plot-points [points (listof (vector/c real? real?))]
[sym (one-of/c 'square 'circle 'odot 'bullet)])
[sym (or/c character? integer? symbol?)])
void?]{
Plots points using a specified symbol.}
Plots points using a specified symbol. See @scheme[points] for
possible values for @scheme[sym]}
@defmethod[(plot-line [points (listof (vector/c real? real?))]) void?]{
Plots a line given a set of points.}
@defmethod[(plot-contours [grid (listof (listof real?))]
[xs (listof real?)]
[ys (listof real?)]
[levels (listof real?)]) void?]{
Plots a grid representing a 3-D function using contours to distinguish levels.}
@defmethod[(plot-shades [grid (listof (listof real?))]

66
collects/plot/renderers.ss
View File

@ -86,7 +86,7 @@
(plot-contours grid x-vals y-vals c-levels))))
; shade : (number number -> number) [number] [symbol] [number] [number / listof-number] -> (2dplotview -> nothing)
; renders a shade plot given function and shade levels
; renders a shade plot given function and shade levels
(define-plot-type shade
fun3d 2dplotview (x-min x-max y-min y-max)
((samples 50) (levels 10))
@ -96,39 +96,73 @@
(z-max (apply max (map (lambda (row) (apply max row)) grid)))
(z-min (apply min (map (lambda (row) (apply min row)) grid)))
(c-levels (x-values levels z-min z-max)))
(send* 2dplotview
(send* 2dplotview
(plot-shades grid x-vals y-vals c-levels))))
; points : (listof vector) [symbol] -> (2dplotview -> nothing)
; plots a set of points using a specific character
(define-plot-type points
lop 2dplotview ((sym 'square) (color 'black))
(send* 2dplotview
lop 2dplotview ((sym 'fullsquare) (color 'black))
(send* 2dplotview
(set-line-color color)
(plot-points lop
(cond [(assq sym point-syms) => cadr]
[else (error "Symbol not found in table!")]))))
(plot-points lop
(cond [(and (integer? sym) (<= -1 sym 127)) sym]
[(and (char? sym)
(char<= (integer->char 32)
sym
(integer->char 127)))
(char->integer sym)]
[(assq sym point-syms) => cadr]
[else (error "Symbol not found in table!")]))))
; the symbol-> char table
(define point-syms
'((square 16) (odot 9) (bullet 17) (circle 4)))
'((pixel -1)
(dot 1)
(plus 2)
(asterisk 3)
(circle 4)
(times 5)
(square 6)
(triangle 7)
(oplus 8)
(odot 9)
;; (??? 10)
(diamond 11)
(5star 12)
;; (square 13)
;; (??? 14)
(6star 15)
(fullsquare 16)
(bullet 17)
(full5star 18)
;; (square 19)
(circle1 20)
(circle2 21)
(circle3 22)
(circle4 23)
(circle5 24)
(circle6 25)
(circle7 26)
(circle8 27)
(leftarrow 28)
(rightarrow 29)
(uparrow 30)
(downarrow 31)))
;; 3D PLOTTERS
; plot a surface
(define-plot-type surface
(define-plot-type surface
fun3d 3dplotview (x-min x-max y-min y-max)
((samples 50) (color 'black) (width '1))
(let* ((x-vals (x-values samples x-min x-max))
(y-vals (x-values samples y-min y-max))
(grid (zgrid fun3d x-vals y-vals samples)))
(send* 3dplotview
(send* 3dplotview
(set-line-color color) (set-line-width width)
(plot-surface x-vals y-vals grid))))
(define-plot-type mesh3d
fun3d 3dplotview (x-min x-max y-min y-max z-min z-max)
((samples 50) (width '1) (levels 10) (color #t) (lines #t)